Answer:
Fast food restaurants keep food hot with infrared lamps. The heat is transferred to the food by radiation
Explanation:
the heat lamps produce radiation just like a microwave.
Answer:
46, 39, 32
Explanation:
you just have to subtract 7 each time :)
True. A nuclear family includes a couple and their dependent children. Now a days there are many types of families like single parent families, extended families, childless families, step families, etc.
Speed = distance/time
20 miles divided by 4 hours = 5 mph
ANSWER : 5mph